Strategies to Prevent Bacterial Adhesion on Biomaterials - Biomimetics: Advancing Nanobiomaterials and Tissue Engineering - page 186

Type of Bacteria and
Exposure Time

Magnetic Field Strength Biological Effects Comments

450 mT Static Magnetic
Field (SMF)

E. coli
(8 hours)

The relative number of
CFU of tested strain
decreased with

Cell surface damage occurred
when bacteria were
exposed to SMF, authors
support free radicals
theory that the damage
might be caused by some
oxygen free radicals which
were produced by SMFs
treatment [113].

−
• longer exposure time
• Higher treatment
temperature.

Applied ultrasound, then
high hydrostatic pres-
sure, then pulsed electric
fi eld, then
18 T pulsed magnetic fi eld
10

A pulsed magnetic fi eld
of 18T is not capable
of causing inactivation
of Escherichia coli when
applied even after mild
treatments used as
stressing factors

• EDTA was used to remove
Ca 2+ and Mg 2+ ions from
the cell wall.
• The loss of these ions
increases the permeability
of the cell wall and allows
anti

E. coli
Culture time is not given
(Possibly immediate
effects were checked)

− 15 kHz

microbial agents to
act on the cytoplasmic
membrane [117].

−

91 mT at 2 kHz,
1.1 mT at 20 kHz and 0.11
mT at 60 kHz

IFMFs(Intermediate
frequency Magnetic
fi elds) given did not
have detectable

The Intermediate frequency
magnetic fi elds would
not affect the process of
drug metabolism,

Salmonella typhimurium
E. coli
(48 hours)

( Continued )